Answer:
Width is 10 1/2 inches and the length = 21 inches.
Step-by-step explanation:
Let the width be x then the length us 2x inches.
Perimeter = 2x + 2(2x) = 63
6x = 63
x = 10 1/2 inches.
The answer is 10mm, I answered this in a previous question.
Answer:
125%
Step-by-step explanation:
80/100=8
80*x=100
100/80=1.25
1.25*100=125
x=125%